形容詞 ruinous:

1. extremely harmful; bringing physical or financial ruin
   同義詞：catastrophic
2. causing injury or blight; especially affecting with sudden violence or plague or ruin
   同義詞：blasting

1. Fate, especially a tragic or ruinous one.
   命運(yùn)命運(yùn)，尤指厄運(yùn)或劫數(shù)
2. Mutually destructive; ruinous or fatal to both sides.
   自相殘殺的共同破壞的; 對(duì)雙方都有害或致命的
3. They took a ruinous expenditure on the house.
   他們?yōu)榱四撬孔觾A家蕩產(chǎn)。
4. The prices in that restaurant are absolutely ruinous.
   那家餐館的價(jià)格貴得能把人坑死。

ru.in.ous

adj.（形容詞）
Causing or apt to cause ruin; destructive.
毀滅性的，破壞性的：引起毀滅的，容易引起毀滅的；有害的
Falling to ruin; dilapidated or decayed.
破敗的；廢墟的或破敗的

【引伸】
ru.inously
adv.（副詞）
ru.inousness
n.（名詞）